
  #include "stdio.h"
  #include "2cmul.c"
  main()
  { double u,v;
    cmul(-1.3,4.5,7.6,3.6,&u,&v);
    printf("\n");
    printf("  u+jv=%10.7lf +j %10.7f\n",u,v);
    printf("\n");
  }

